2. Of the students who take PE at Arundel High School in any given school year, 20% are sentors. The most popular PE class is Walking Wellness, and 60% of the seniors who take PE take this course,
while 15% of the rest of the PE students take Walking Wellness.
a.
Represent these probabilities in a graphical display.( Fill in the table below.)
b. What is the probability that a randomly selected Walking Wellness student is a senior? Justify
your answer.